<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>CSS Border Examples</title>
<style>
body {
font-family: Arial, sans-serif;
margin: 0;
padding: 20px;
display: flex;
flex-direction: column;
gap: 20px; /* 组件间的间距 */
}
.solid-border {
width: 200px;
height: 100px;
border: 5px solid black; /* 实线边框 */
text-align: center;
line-height: 100px; /* 垂直居中文本 */
}
.dashed-border {
width: 200px;
height: 100px;
border: 5px dashed red; /* 虚线边框 */
text-align: center;
line-height: 100px;
}
.rounded-corners {
width: 200px;
height: 100px;
border: 5px solid blue;
border-radius: 15px; /* 圆角边框 */
text-align: center;
line-height: 100px;
}
.multiple-borders {
width: 200px;
height: 100px;
border: 3px solid green;
box-shadow: 0 0 0 10px orange; /* 使用阴影模拟多层边框 */
text-align: center;
line-height: 100px;
}
.gradient-border {
width: 200px;
height: 100px;
position: relative;
text-align: center;
line-height: 100px;
}
.gradient-border::before {
content: '';
position: absolute;
top: -10px;
left: -10px;
right: -10px;
bottom: -10px;
background: linear-gradient(45deg, #FFEB3B, #FF5722);
z-index: -1;
border-radius: 15px;
}
</style>
</head>
<body>
<div class="solid-border">实线边框</div>
<div class="dashed-border">虚线边框</div>
<div class="rounded-corners">圆角边框</div>
<div class="multiple-borders">多重边框</div>
<div class="gradient-border">渐变边框</div>
</body>
</html>
